Buy the way if you look at the sellers auction on ebay - search sparta moped if your interested, you will see what appears to be further indication that hopewaltz or whatever his name is correct when he said the guy is slippery.
First of all his feedback is in the 80's
Then there's those sachs cylinder barells and carbs.
Look at the pictures.
if i was deliberately trying to not advertise the fact that those are the restricted heads and the 10mm carbs, thats EXACTLY how id show them.
Not saying they are, but it looks hokey to me.